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Explain what are snapshots? What are materialized views & where do we use them? What is a materialized view log?
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How many clustered indexes can you create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id 347 what is hybrid slowly changing dimension?
What are the types of partitioning?
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Explain functional dependency?
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How to handle multi value dimensions?
What is a staging area? Do we need it? What is the purpose of a staging area?
Teradata 
